This topic contains a solution. Click here to go to the answer

Author Question: What type of crystal drives the 8051 circuitry? A) 100 MHz B) 12 MHz C) 18 MHz D) 60 ... (Read 59 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
What type of crystal drives the 8051 circuitry?
 
  A) 100 MHz B) 12 MHz C) 18 MHz D) 60 MHz

Question 2

If the output of an astable 555 timer is LOW for 45 ms and HIGH for 59 ms, the duty cycle is
 
  A) 56.7 B) 77.4 C) 85 D) 67.8



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

B

Answer to Question 2

A




bob

  • Sr. Member
  • ****
  • Posts: 343

 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library